4 Retrofitting Options
212 Keysight 53210A/53220A/53230A Assembly Level Service Guide
Figure 4-6 Battery assembly held by three small tabs
11 Install the supplied TORX T20 screws and lockwashers (2 each) through the
provided chassis holes into the imbedded nuts in the battery deck and secure.
12 Re-install the cover by performing the cover removal procedure (Preliminary
Steps 1 through 4), in reverse.